Triple

T10571760

Position	Surface form	Disambiguated ID	Type / Status
Subject	Murcia–El Carmen railway station	`E249498`	entity
Predicate	railwayLine	`P848`	FINISHED
Object	Madrid–Murcia railway The Madrid–Murcia railway is a major rail line in Spain that connects the capital city Madrid with the southeastern city of Murcia, serving as an important corridor for both passenger and freight transport.	`E873333`	NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini

Instruction

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Input

Phrase: Madrid–Murcia railway | Statement: [Murcia–El Carmen railway station, railwayLine, Madrid–Murcia railway]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Madrid–Murcia railway
Context triple: [Murcia–El Carmen railway station, railwayLine, Madrid–Murcia railway]

A. Madrid–Alicante railway
The Madrid–Alicante railway is a major Spanish rail line connecting the capital Madrid with the Mediterranean coastal city of Alicante, serving as an important corridor for both passenger and freight transport.
B. Madrid–Valencia railway
The Madrid–Valencia railway is a major Spanish rail line connecting the nation’s capital with the Mediterranean port city of Valencia, serving as an important corridor for both passenger and freight transport.
C. Madrid–Andalusia railway
The Madrid–Andalusia railway is a major rail line in Spain that connects the capital, Madrid, with the southern region of Andalusia, serving as a key corridor for both passenger and freight transport.
D. Madrid–Aranjuez railway
The Madrid–Aranjuez railway is one of Spain’s oldest railway lines, historically linking Madrid with the royal town of Aranjuez and playing a key role in the early development of the country’s rail network.
E. Madrid–Barcelona railway
The Madrid–Barcelona railway is a major Spanish rail line linking the capital Madrid with the northeastern city of Barcelona, serving as one of the country’s principal passenger and freight corridors.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Madrid–Murcia railway
Triple: [Murcia–El Carmen railway station, railwayLine, Madrid–Murcia railway]

Generated description

The Madrid–Murcia railway is a major rail line in Spain that connects the capital city Madrid with the southeastern city of Murcia, serving as an important corridor for both passenger and freight transport.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Madrid–Murcia railway
Target entity description: The Madrid–Murcia railway is a major rail line in Spain that connects the capital city Madrid with the southeastern city of Murcia, serving as an important corridor for both passenger and freight transport.

A. Madrid–Alicante railway
The Madrid–Alicante railway is a major Spanish rail line connecting the capital Madrid with the Mediterranean coastal city of Alicante, serving as an important corridor for both passenger and freight transport.
B. Madrid–Valencia railway
The Madrid–Valencia railway is a major Spanish rail line connecting the nation’s capital with the Mediterranean port city of Valencia, serving as an important corridor for both passenger and freight transport.
C. Madrid–Andalusia railway
The Madrid–Andalusia railway is a major rail line in Spain that connects the capital, Madrid, with the southern region of Andalusia, serving as a key corridor for both passenger and freight transport.
D. Madrid–Aranjuez railway
The Madrid–Aranjuez railway is one of Spain’s oldest railway lines, historically linking Madrid with the royal town of Aranjuez and playing a key role in the early development of the country’s rail network.
E. Madrid–Barcelona railway
The Madrid–Barcelona railway is a major Spanish rail line linking the capital Madrid with the northeastern city of Barcelona, serving as one of the country’s principal passenger and freight corridors.
F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step	Stage	Batch ID	Status	When
creating	Elicitation	`batch_69d381c8bd708190acf3d275c908251e`	completed	April 6, 2026, 9:50 a.m.
NER	Named-entity recognition	`batch_69d52747a8d88190ab59333937180edc`	completed	April 7, 2026, 3:48 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d94b55d0f88190bd6853603f67e88d`	completed	April 10, 2026, 7:11 p.m.
NEDg	Description generation	`batch_69d94f759e7c8190a9e2fd030977584d`	completed	April 10, 2026, 7:28 p.m.
NED2	Entity disambiguation (via description)	`batch_69d952c334448190b1c21964b55a3a68`	completed	April 10, 2026, 7:42 p.m.

Created at: April 6, 2026, 12:37 p.m.